Port Expansion Card Pricing
Current market data for 25,542 port expansion cards across new and used conditions.
What you'll usually pay
💡 Used ones cost about 16% more here.
👉 In short easy summary
The best value is found in SATA III interfaces and 3-port configurations, both seeing drops of 50% or more. Conversely, PCI Express x16 cards and ASUS branded cards command a premium, with price increases of 50% and 101% respectively.
💚 Best value for your money
Price by compatible port
Why? Prices range from 24.99 for USB 3.0 to 54.49 for PCI Express x16.
Price by number of ports
Why? Costs scale from 18.29 for 3 ports up to 39.97 for 4 ports.
Price by external interfaces
Why? SATA III is the lowest at 17.45, while general USB Cards reach 28.99.
Price by brand
Why? Inateck is the most affordable at 26.99, while ASUS is the most expensive at 73.25.
🛒 Some on sale right now
Common questions
What is the median price for a new port expansion card?
The median price for new cards is 30.2.
Which brand typically costs the most?
ASUS has the highest median price at 73.25.
How does the price of 8-port cards compare to 3-port cards?
8-port cards have a median price of 36.59, while 3-port cards are lower at 18.29.
How we got these numbers
Worked out from 200 live eBay listings (price range $14–$265, odd outliers ignored). These are asking prices, so use them as a guide. Last checked August 10, 2026.